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Remarkable
Analysis
Phenology
Record counts
Graph
Graph (combo)
Migration pattern (map)
Totals (date)
Totals (species)
Totals (species x migration site)
Totals by year (species)
Observation hours graph
Observation hours
Pictures & Documents
Pictures
Documents
Map
Contacts
Abcoude A2 (nacht)
Totals 2023 -
Year
all years
2025
2024
2023
2022
2021
2020
2019
Period
january
february
march
april
may
june
july
august
september
october
november
december
all months
spring
autumn
jan, feb & mar
feb, mar & apr
mar, apr & may
apr, may & jun
may, jun & jul
jun, jul & aug
jul, aug & sep
aug, sep & oct
sep, oct & nov
oct, nov & dec
jan & feb
feb & mar
mar & apr
apr & may
may & jun
jun & jul
jul & aug
aug & sep
sep & oct
oct & nov
nov & dec
dec & jan
count-field
individuals
individuals + calls
calls
Also present
Species
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
0
0
0
4
0
10
0
1
1
0
0
0
16
10 (
1 Jun
)
4
5
3 Apr
4 Sep
2.
Barnacle Goose
0
0
0
28
50
0
0
0
0
0
2
0
80
50 (
5 May
)
4
5
3 Apr
19 Nov
3.
Greylag Goose
0
0
0
2
1
3
3
20
9
2
4
1
45
10 (
15 Aug
)
18
20
14 Apr
16 Dec
4.
Eurasian White-fronted Goose
0
0
0
0
0
0
0
0
0
10
4
1
15
10 (
23 Oct
)
5
6
23 Oct
16 Dec
5.
Egyptian Goose
0
0
0
0
1
0
0
0
0
0
0
0
1
1 (
29 May
)
1
1
29 May
29 May
6.
Gadwall
0
0
0
15
16
3
0
12
4
2
0
0
52
3 (
3 Apr
)
19
21
3 Apr
1 Oct
7.
Wigeon
0
0
0
17
0
0
0
0
2
3
5
10
37
10 (
3 Apr
)
12
14
3 Apr
16 Dec
8.
Mallard
0
0
0
6
5
2
2
4
1
0
1
0
21
2 (
6 Apr
)
17
19
6 Apr
13 Nov
9.
Teal
1
0
0
2
0
2
0
0
0
0
0
0
5
1 (
25 Jan
)
4
5
25 Jan
16 Jun
10.
duck sp.
0
0
0
0
0
0
0
0
0
0
1
0
1
1 (
13 Nov
)
1
1
13 Nov
13 Nov
11.
Quail
0
0
0
0
0
1
1
0
0
0
0
0
2
1 (
20 Jun
)
2
2
20 Jun
8 Jul
12.
Water Rail
0
0
0
4
1
18
10
0
2
1
1
0
37
5 (
12 Jun
)
22
25
4 Apr
13 Nov
13.
Moorhen
0
0
0
2
1
6
1
3
0
0
0
0
13
1 (
4 Apr
)
12
14
4 Apr
29 Aug
14.
Coot
0
0
0
6
6
9
5
0
4
0
2
0
32
2 (
6 Apr
)
27
31
3 Apr
19 Nov
15.
Baillon's Crake
0
0
0
0
0
1
0
0
0
0
0
0
1
1 (
26 Jun
)
1
1
26 Jun
26 Jun
16.
Little Grebe
0
0
0
0
1
2
1
0
1
0
0
0
5
1 (
28 May
)
4
5
28 May
7 Sep
17.
Oystercatcher
0
0
0
5
4
17
16
1
1
0
0
0
44
2 (
29 May
)
39
44
4 Apr
7 Sep
18.
Avocet
0
0
0
0
2
3
3
0
0
0
0
0
8
2 (
29 May
)
4
5
29 May
11 Jul
19.
Grey Plover
0
0
0
0
0
0
1
1
0
0
0
0
2
1 (
14 Jul
)
2
2
14 Jul
15 Aug
20.
Golden Plover
0
0
0
1
1
0
0
3
10
10
1
0
26
7 (
1 Oct
)
15
17
5 Apr
19 Nov
21.
Ringed Plover
0
0
0
0
0
0
0
11
13
0
0
0
24
10 (
13 Sep
)
8
9
14 Aug
16 Sep
22.
Little Ringed Plover
0
0
0
1
1
5
1
0
0
0
0
0
8
2 (
25 Jun
)
6
7
9 Apr
15 Jul
23.
Lapwing
0
0
0
1
0
3
4
5
0
0
0
0
13
1 (
30 Apr
)
12
13
30 Apr
23 Aug
24.
Whimbrel
0
0
0
0
0
0
7
4
0
0
0
0
11
3 (
21 Jul
)
5
6
19 Jul
29 Aug
25.
Curlew
0
0
0
0
0
7
2
0
0
0
2
0
11
5 (
22 Jun
)
6
7
13 Jun
19 Nov
26.
Black-tailed Godwit
0
0
0
2
0
0
0
0
0
0
0
0
2
1 (
3 Apr
)
2
2
3 Apr
26 Apr
27.
Snipe
0
0
0
7
0
0
0
2
9
6
1
1
26
4 (
30 Sep
)
13
15
3 Apr
16 Dec
28.
Common Sandpiper
0
0
0
2
6
0
24
20
7
0
0
0
59
4 (
20 Aug
)
27
30
30 Apr
26 Sep
29.
Green Sandpiper
0
0
0
0
0
3
7
0
0
0
0
1
11
2 (
19 Jul
)
9
10
22 Jun
16 Dec
30.
Redshank
0
0
0
4
1
3
0
12
1
0
0
0
21
11 (
15 Aug
)
10
11
3 Apr
13 Sep
Species
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Spotted Redshank
0
0
0
0
0
0
0
0
1
0
0
0
1
1 (
14 Sep
)
1
1
14 Sep
14 Sep
32.
Greenshank
0
0
0
0
0
0
5
0
2
0
0
0
7
5 (
19 Jul
)
3
3
19 Jul
14 Sep
33.
wader sp.
0
0
0
0
0
0
0
10
0
0
0
0
10
10 (
20 Aug
)
1
1
20 Aug
20 Aug
34.
Dunlin
0
0
0
2
0
1
0
3
0
0
1
0
7
2 (
24 Aug
)
5
6
5 Apr
17 Nov
35.
Common Tern
0
0
0
0
0
2
1
0
0
0
0
0
3
2 (
24 Jun
)
2
2
24 Jun
19 Jul
36.
Black-headed Gull
0
0
0
7
0
2
1
0
1
0
2
0
13
2 (
3 Apr
)
10
11
3 Apr
17 Nov
37.
Common Gull
0
0
0
3
0
0
0
0
0
0
0
0
3
2 (
6 Apr
)
2
2
4 Apr
6 Apr
38.
Laridae sp.
0
0
0
0
0
0
0
1
0
0
0
0
1
1 (
22 Aug
)
1
1
22 Aug
22 Aug
39.
Bittern
0
0
0
0
0
0
0
0
1
2
0
0
3
2 (
9 Oct
)
2
2
27 Sep
9 Oct
40.
Little Bittern
0
0
0
0
0
0
0
2
1
0
0
0
3
1 (
21 Aug
)
3
3
21 Aug
14 Sep
41.
Night Heron
0
0
0
0
0
0
0
0
1
0
0
0
1
1 (
28 Sep
)
1
1
28 Sep
28 Sep
42.
Grey Heron
0
0
0
2
2
2
4
5
20
7
4
0
46
7 (
25 Sep
)
26
29
3 Apr
19 Nov
43.
Barn Owl
0
0
0
1
1
1
0
0
0
0
0
0
3
1 (
5 Apr
)
3
3
5 Apr
14 Jun
44.
Little Owl
0
0
0
1
0
0
0
0
0
0
0
0
1
1 (
26 Apr
)
1
1
26 Apr
26 Apr
45.
Long-eared Owl
0
0
0
0
0
1
0
0
1
2
0
0
4
1 (
25 Jun
)
4
4
25 Jun
9 Oct
46.
Tawny Owl
0
0
0
0
0
0
0
0
2
2
0
0
4
2 (
9 Oct
)
3
3
7 Sep
9 Oct
47.
Skylark
0
0
0
0
0
0
0
0
0
0
2
0
2
2 (
13 Nov
)
1
1
13 Nov
13 Nov
48.
Swallow
0
0
0
0
1
9
8
0
0
0
0
0
18
1 (
20 May
)
16
18
20 May
22 Jul
49.
Reed Warbler
0
0
0
0
0
0
1
0
0
0
0
0
1
1 (
10 Jul
)
1
1
10 Jul
10 Jul
50.
Goldcrest
0
0
0
0
0
0
0
1
0
0
0
0
1
1 (
29 Aug
)
1
1
29 Aug
29 Aug
51.
Song Thrush
0
0
0
6
0
0
0
4
540
2173
232
1
2956
1994 (
9 Oct
)
27
30
5 Apr
16 Dec
52.
Redwing
2
0
0
8
0
0
0
0
1
311
786
2
1110
784 (
13 Nov
)
12
14
25 Jan
16 Dec
53.
Blackbird
0
0
0
0
0
0
0
0
2
6
257
0
265
256 (
13 Nov
)
5
6
26 Sep
19 Nov
54.
Fieldfare
0
0
0
0
0
0
0
0
0
0
4
0
4
2 (
13 Nov
)
2
2
13 Nov
17 Nov
55.
flycatcher sp.
0
0
0
0
0
1
0
0
0
0
0
0
1
1 (
9 Jun
)
1
1
9 Jun
9 Jun
56.
Robin
0
0
0
0
0
0
0
0
9
9
1
0
19
4 (
26 Sep
)
10
11
1 Sep
13 Nov
57.
Pied Flycatcher
0
0
0
0
1
0
0
0
0
0
0
0
1
1 (
25 May
)
1
1
25 May
25 May
58.
Stonechat
0
0
0
0
0
0
0
0
1
0
0
0
1
1 (
25 Sep
)
1
1
25 Sep
25 Sep
59.
Dunnock
0
0
0
0
0
0
0
0
1
0
0
0
1
1 (
26 Sep
)
1
1
26 Sep
26 Sep
60.
Blue-headed Wagtail
0
0
0
0
0
0
0
0
4
0
0
0
4
2 (
16 Sep
)
3
3
6 Sep
26 Sep
Species
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Meadow Pipit
0
0
0
0
0
0
0
0
1
0
0
0
1
1 (
27 Sep
)
1
1
27 Sep
27 Sep
62.
Tree Pipit
0
0
0
0
0
0
0
4
6
0
0
0
10
3 (
29 Aug
)
6
7
20 Aug
26 Sep
63.
Chaffinch
0
0
0
0
0
0
0
0
1
0
0
0
1
1 (
30 Sep
)
1
1
30 Sep
30 Sep
64.
Redpoll
0
0
0
0
0
0
0
0
0
0
1
0
1
1 (
19 Nov
)
1
1
19 Nov
19 Nov
65.
Lapland Bunting
0
0
0
0
0
0
0
0
0
1
0
0
1
1 (
23 Oct
)
1
1
23 Oct
23 Oct
66.
Ortolan Bunting
0
0
0
0
0
0
0
5
3
0
0
0
8
2 (
21 Aug
)
4
5
21 Aug
11 Sep
67.
Species unidentified
0
0
0
0
1
0
1
9
3
0
0
0
14
4 (
21 Aug
)
8
9
5 May
25 Sep
Species
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
3
0
0
139
103
117
109
143
667
2547
1314
17
5159
5159
8175
100
113
Observation hours
10:17
0:00
0:00
81:30
75:31
116:06
120:48
107:19
150:01
57:03
44:00
8:00
770:35
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